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Gefitinib 250 mg/1 Medicare Part D Coverage

Brand name: IRESSA
Dosage form
TABLET, COATED
Route
ORAL
1%
of Medicare Part D plans
cover Gefitinib
34 of 5,530 plans
3.4
Avg. formulary tier

Formulary Tier Distribution

How Medicare Part D plans classify Gefitinib. Lower tiers = lower copays.

Tier 1 - Preferred Generic 41%
14 plans • avg $0.00/mo
Tier 5 - Specialty 59%
20 plans

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Gefitinib Medicare Coverage by State

Coverage rates and average costs vary significantly by state. Click a state to see the specific plans available there.

Frequently Asked Questions about Gefitinib

1% of Medicare Part D plans cover Gefitinib. It is most commonly placed on Tier 3. Coverage varies by plan and geographic area.

Costs vary by plan. Enter your ZIP code above to see exact prices for plans in your area.

Gefitinib is placed on Tier 3 by most Medicare Part D plans. Lower tier numbers generally mean lower copays.

0% of plans require prior authorization for Gefitinib. Prior authorization means your doctor must confirm the drug is medically necessary before the plan will cover it.

Coverage statistics based on CMS formulary data for plan year 2026. Data updated regularly. Methodology →